[A/S] Re: tow hitches...FREAKED OUT!

["Richard P. Kenan" <as5368@xxxxxxxxxxxxxx>]

Hi, Gerald:

Does the law really not distinguish among TTs, 5-th wheels and 
semi-trailers?  The 5-th wheel hitch is load carrying, just like a 
semi.  You'd think the semi regulations would apply to them.

>Since the load point of a 5th wheel trailer is over 
>the rear axle, the load doesn't have the lever arm for either load or 
>sway that the bumper region hitch has, but since that hitch is 
>significantly above the rear axle, seems to me that acceleration of 
>the tow vehicle is going to cause the tow vehicle nose to rise and 
>braking when primarily the tow vehicle is going to cause the tow 
>vehicle nose to fall far more than the tow vehicle would on its own.

This sounds right to me (wearing my physicist's hat).

- Dick
(5368)


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